gistfile1.php

<?php
function _decode($data)
	{
		$newdata = array();
		
		foreach($data as $key => $value) {
		    if(is_array($value)) {
		        // recursion because the value for checkbox is an array
		        $newdata[$key] = $this->_decode($value);
		    } else {
			    $newdata[$key] = utf8_decode($value);
		    }
		}
		return $newdata;
	}